Waistup Side Footage Of Young Asian Woman In Safety Face Mask Protective Goggles White Coat And Gloves Holding Up Flask With Purple Chemical Solution Checking For ResidueÂ
Medium vertical of young Asian female researcher in safety face mask, goggles, lab coat holding up and examining flask with purple chemical solution, looking for residue
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Medium side shot of young Chinese female researcher in safety face mask, protective goggles and white coat holding up against light and examining flask with purple chemical solution
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Medium vertical of Chinese female chemist in white coat, goggles, gloves adding reagent to chemical solution in vial, holding it up, checking for reaction or residue, while performing assay
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Medium vertical shot of young Chinese female diagnostic laboratory worker in goggles, white coat and gloves holding up flask with solution, stirring, checking for residue, while performing tests
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Medium footage of Chinese female scientist in white coat, goggles, gloves adding drops of reagent to chemical solution in vial, holding it up, checking for reaction or residue, while conducting tests
Tilt up shot male chemist in protective coveralls, respirator mask, goggles and gloves using pipette and dropping liquid solution into flask, then looking at chemical reaction
Skilled scientist conducting chemical experiment in lab
Likable experienced confident responsible african american male chemist in protective mask,gloves,eyeglasses and white coat conducting chemical experiment with solutions and flasks
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Close-up shot of hands of anonymous female scientist in white coat and gloves examining glass flask with light purple chemical solution, while performing research on new compounds in laboratory
Worker in gloves coating metal surface with thin layer of protective paint to prevent corrosion, instruments and chemical solutions for
Chemical flasks and a mug with a solution on a table in the laboratory
Restoration of corroded balcony frames with special modern chemical solutions, person hand in protective glove using paintbrush for coating